code: def tokenize(self, sample):
      raise NotImplementedError
  
file_path: lightning-flash/src/flash/core/integrations/transformers/collate.py
imports: from dataclasses import dataclass, field
  from typing import Any, Dict, Optional
  import torch
  from flash.core.data.io.input import DataKeys
  from flash.core.utilities.imports import _TRANSFORMERS_AVAILABLE
label_desc: Use image node_id 3 for calling the TransformersCollate obj's underlying member method code with example usage: obj.tokenize(sample) without return types